$ sudo modprobe snd-pcm-oss
FATAL: Error inserting snd_pcm (/lib/modules/2.6.15-27-k7/kernel/sound/acore/snd-pcm.ko): Unknown symbol in module, or unknown parameter (see dmesg)
WARNING: Error running install command for snd_pcm
FATAL: Error inserting snd_pcm_oss (/lib/modules/2.6.15-27-k7/kernel/sound/acore/oss/snd-pcm-oss.ko): Unknown symbol in module, or unknown parameter (see dmesg)

[17198624.240000] snd_pcm: disagrees about version of symbol snd_timer_notify
[17198624.240000] snd_pcm: Unknown symbol snd_timer_notify
[17198624.240000] snd_pcm: disagrees about version of symbol snd_timer_interrupt
[17198624.240000] snd_pcm: Unknown symbol snd_timer_interrupt
[17198624.240000] snd_pcm: disagrees about version of symbol snd_timer_new
[17198624.240000] snd_pcm: Unknown symbol snd_timer_new
[17198624.240000] snd_pcm_oss: Unknown symbol snd_pcm_lib_read
[17198624.240000] snd_pcm_oss: Unknown symbol snd_pcm_hw_constraints_init
[17198624.240000] snd_pcm_oss: Unknown symbol snd_pcm_hw_param_near
[17198624.240000] snd_pcm_oss: Unknown symbol _snd_pcm_hw_param_setinteger
[17198624.240000] snd_pcm_oss: Unknown symbol snd_pcm_kernel_ioctl
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_stop
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_format_unsigned
[17198624.244000] snd_pcm_oss: Unknown symbol _snd_pcm_hw_params_any
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_format_physical_width
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_hw_param_value_max
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_hw_param_set
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_format_silence_64
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_open_substream
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_lib_readv
[17198624.244000] snd_pcm_oss: Unknown symbol _snd_pcm_hw_param_set
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_kernel_capture_ioctl
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_lib_writev
[17198624.244000] snd_pcm_oss: Unknown symbol _snd_pcm_hw_param_min
[17198624.244000] snd_pcm_oss: disagrees about version of symbol snd_mixer_oss_ioctl_card
[17198624.244000] snd_pcm_oss: Unknown symbol snd_mixer_oss_ioctl_card
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_format_linear
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_mmap_data
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_devices
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_hw_param_value_min
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_build_linear_format
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_hw_param_mask
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_format_signed
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_hw_constraints_complete
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_link_rwlock
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_hw_refine
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_kernel_playback_ioctl
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_format_big_endian
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_notify
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_release_substream
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_lib_write
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_format_set_silence
[17198624.244000] snd_pcm_oss: Unknown symbol snd_pcm_format_width